N. nitida

N. nitida may refer to:
 * Neomacounia nitida, the Macoun's shining moss, an extinct moss species that was found only in a small area of Ontario
 * Nitidella nitida, the glossy dove shell, a sea snail species found in the Red Sea and in the Gulf of Mexico, the Caribbean Sea and the Lesser Antilles, and from Florida to Brazil
 * Nothofagus nitida, the Coigüe de Chiloé in Spanish, an evergreen tree species native from Chile and probably Argentina